Finding the Fourth Proportional to 35,550.53, 49,037.49 and 21,200.30

Step by Step Solution

1. Step 1: Write the proportion equation
   35,550.53 : 49,037.49 = 21,200.30 : x
2. Step 2: Convert to fraction form
   35,550.53/49,037.49 = 21,200.30/x
3. Step 3: Cross multiply
   35,550.53x = 49,037.49 × 21,200.30
4. Step 4: Simplify right side
   35,550.53x = 1,039,609,499.25
5. Step 5: Solve for x
   x = 1,039,609,499.25/35,550.53
6. Step 6: Final answer
   x = 29,243.15